ext json请求java靠山返回集合数据
日期：2014-05-16 浏览次数：20463 次
ext json请求java后台返回集合数据
JAVA后台类文件：JsonUtil.java
import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import net.sf.json.JSONArray;
import net.sf.json.JSONObject;
public class JsonUtil {
public static void main(String[] args) {
JsonUtil j = new JsonUtil();
//j.bean2json();
j.list2json();
//j.map2json();
//j.json2bean();
}
public JSONArray arr2json() {
boolean[] boolArray = new boolean[] { true, false, true };
JSONArray jsonArray = JSONArray.fromObject(boolArray);
System.out.println(jsonArray);
// prints [true,false,true]
return jsonArray;
}
public JSONObject list2json() {
List list = new ArrayList();
//list.add("first");
//list.add("second");
Map map1 = new HashMap();
map1.put("name", "json");
map1.put("sex", "男");
Map map2 = new HashMap();
map2.put("name", "json222");
map2.put("sex", "男222");
list.add(map1);
list.add(map2);
Map map = new HashMap();
map.put("root", list);
JSONObject json = JSONObject.fromObject(map);
System.out.println(json);
//JSONArray jsonArray = JSONArray.fromObject(list);
// prints ["first","second"]
return json;
}
public void createJson() {
JSONArray jsonArray = JSONArray.fromObject("['json','is','easy']");
System.out.println(jsonArray);
// prints ["json","is","easy"]
}
public JSONObject map2json() {
Map map = new HashMap();
map.put("name", "json");
map.put("sex", "男");
map.put("bool", Boolean.TRUE);
map.put("int", new Integer(1));
map.put("arr", new String[] { "a", "b" });
map.put("func", "function(i){ return this.arr[i]; }");
JSONObject json = JSONObject.fromO
JAVA后台类文件：JsonUtil.java
import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import net.sf.json.JSONArray;
import net.sf.json.JSONObject;
public class JsonUtil {
public static void main(String[] args) {
JsonUtil j = new JsonUtil();
//j.bean2json();
j.list2json();
//j.map2json();
//j.json2bean();
}
public JSONArray arr2json() {
boolean[] boolArray = new boolean[] { true, false, true };
JSONArray jsonArray = JSONArray.fromObject(boolArray);
System.out.println(jsonArray);
// prints [true,false,true]
return jsonArray;
}
public JSONObject list2json() {
List list = new ArrayList();
//list.add("first");
//list.add("second");
Map map1 = new HashMap();
map1.put("name", "json");
map1.put("sex", "男");
Map map2 = new HashMap();
map2.put("name", "json222");
map2.put("sex", "男222");
list.add(map1);
list.add(map2);
Map map = new HashMap();
map.put("root", list);
JSONObject json = JSONObject.fromObject(map);
System.out.println(json);
//JSONArray jsonArray = JSONArray.fromObject(list);
// prints ["first","second"]
return json;
}
public void createJson() {
JSONArray jsonArray = JSONArray.fromObject("['json','is','easy']");
System.out.println(jsonArray);
// prints ["json","is","easy"]
}
public JSONObject map2json() {
Map map = new HashMap();
map.put("name", "json");
map.put("sex", "男");
map.put("bool", Boolean.TRUE);
map.put("int", new Integer(1));
map.put("arr", new String[] { "a", "b" });
map.put("func", "function(i){ return this.arr[i]; }");
JSONObject json = JSONObject.fromO
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